Reinforcements

A TypeScript utility belt. ~130 functions for objects, strings, numbers, async, randomness, and functional composition. Path-first object access, smart string casings, real concurrency helpers, deterministic randomness — all from one import, all tree-shakable, all typed.

Highlighted features

~130 typed helpers

One install replaces a handful of lodash modules — and ships with TypeScript-first signatures, not adapter packages.

Path-first object access

get(user, “profile.email”) autocompletes every legal dot-notation path and infers the value type — no as casts, no manual generics.

Smart string casings

The casing family shares one words() tokenizer that handles acronyms correctly: AIAgent → [“AI”,“Agent”], not [“A”,“I”,“Agent”].

Async helpers that scale

retry with backoff, pMap with concurrency caps, timeout, defer, sleep — without pulling in the whole p-* ecosystem.

Random namespace

Random.int(1, 10), Random.uuid(), Random.sample(arr), Random.seed(n) for deterministic test fixtures. Namespace class, never new.

lazy breaks cycles

The one tool that resolves ES-module circular imports cleanly — defer evaluation until first read.

Install

npm

npm install @mongez/reinforcements

yarn

yarn add @mongez/reinforcements

pnpm

pnpm add @mongez/reinforcements

Quick peek

import { get, slugify, debounce, retry, pMap, Random } from "@mongez/reinforcements";

const email = get(user, "profile.email");                  // typed by path
const slug  = slugify("Café & Croissant");                 // "cafe-croissant"
const save  = debounce(persist, 500, { maxWait: 3_000 }); // cancel / flush / pending
const data  = await retry(() => fetch(url), { attempts: 5 });
const docs  = await pMap(urls, fetch, { concurrency: 5 });
const id    = Random.uuid();

A taste of the breadth — typed path access, casing, debouncing, retries, parallel mapping, and randomness all from one import.

Namespaces

Namespace	Count	Examples
object	24	get, set, pick, omit, compact, merge, clone, flatten, walk, diff
string	~45	Casing family, slugify, truncate, template, mask, stripHtmlTags
number	12	round, clamp, formatBytes, percentage, safeDivide
array	18	chunk, range, unique, pluck, groupBy, sum
random	14	Random.int, Random.uuid, Random.sample, Random.seed
function	17	debounce, throttle, memoize, pipe, curry, once
async	11	sleep, retry, timeout, pMap, pProps, pFilter, defer
types	16	Path, PathValue, DeepPartial, Branded, Prettify
lazy	1 + variants	lazy, lazy.async, lazy.from, isLazy
mixed	4	clone, areEqual, shuffle, coalesce

Scope boundaries

Concern	Lives in	Why
Type/shape predicates (isString, isEmpty, isURL, …)	@mongez/supportive-is	Single-purpose package
Array collection helpers (partition, keyBy, sortBy, …)	@mongez/collection	Richer collection model
HTML sanitization	Use DOMPurify	Parser-based, not regex
Schema validation	Use zod / valibot	Out of scope
Date manipulation	Use dayjs / date-fns / Temporal	Out of scope

Where to go next

• Arrays, Objects, Strings, Numbers — per-type reference
• Async, Functions, Random, Types — specialised utilities
• Lazy values — break ES-module cycles
• Recipes — common compositions